<ul id="menu">
	<?php foreach($categorias as $categoria): ?>
	<li class="<?php echo (($categoria_atual) && $categoria_atual == $categoria['slug']) ? 'selected' : '' ?>">
	<?php 
		echo link_to(
			$categoria['nm_categoria'],
			url_for('@produtoCategoria?slug='.$categoria['slug'])
		);
	?>
	</li>
	<?php endforeach; ?>
</ul>

<style>
<!--
ul#menu {
	width:200px;
	border:1px solid #D7D7D7;
	background:#F0F0F0;
	margin:0;
	padding:0;
	list-style-type:none;
	color: #000;
}
ul#menu li {
	border-bottom:1px solid #D7D7D7;
	height: 40px;
	line-height: 40px;
}
ul#menu li a:link, ul#menu li a:visited {
	display:block;
	height:1%;
	text-decoration:none;
	font-family: Verdana;
	font-size: 14px;
	color: #000;
	border-left: 10px solid #000;
	padding-left: 5px;
	height: 40px;
	line-height: 40px;
    width: auto;
}
ul#menu li a:hover {
	background-color: #333;
	color: #FFF;
	border-left:10px solid #FFF;
}
/*
ul#menu li.selected a {
	background-color: #333;
	color: #FFF;
	border-left:10px solid #FFF;
}*/
-->
</style>